4054815 has 12 divisors (see below), whose sum is σ = 7028424. Its totient is φ = 2162544.

The previous prime is 4054811. The next prime is 4054837. The reversal of 4054815 is 5184504.

It is not a de Polignac number, because 4054815 - 2² = 4054811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4054811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45009 + ... + 45098.

It is an arithmetic number, because the mean of its divisors is an integer number (585702).

Almost surely, 2^4054815 is an apocalyptic number.

4054815 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4054815 is a deficient number, since it is larger than the sum of its proper divisors (2973609).

4054815 is a wasteful number, since it uses less digits than its factorization.

4054815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90118 (or 90115 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 4054815 is about 2013.6571207631. The cubic root of 4054815 is about 159.4619295085.

The spelling of 4054815 in words is "four million, fifty-four thousand, eight hundred fifteen".